diff --git a/api/api.hpp b/api/api.hpp
index 3730662..52ccd79 100644
--- a/api/api.hpp
+++ b/api/api.hpp
@@ -25,10 +25,11 @@
 //
 #include "zi_code_scaner.hpp"
 //
-#include "zi_pipette_ctrl_module.hpp"
-//
 #include "zi_event_bus.hpp"
 //
 #include "zi_a8000_optical_module.hpp"
 //
-#include "zi_board_module.hpp"
\ No newline at end of file
+#include "zi_board_module.hpp"
+
+//
+#include "zi_pipette_ctrl_module.hpp"
\ No newline at end of file
diff --git a/api/zi_motor.hpp b/api/zi_motor.hpp
index c7d59b5..d3d67da 100644
--- a/api/zi_motor.hpp
+++ b/api/zi_motor.hpp
@@ -39,6 +39,7 @@ class ZIMotor {
   virtual int32_t motor_easy_move_to(int32_t position) { return err::koperation_not_support; };
   virtual int32_t motor_easy_move_to_zero(int32_t direction) { return err::koperation_not_support; };
   virtual int32_t motor_easy_set_current_pos(int32_t pos) { return err::koperation_not_support; };
+  virtual int32_t motor_easy_move_to_io(int32_t direction, int32_t io_index) { return err::koperation_not_support; };
 
   // virtual int32_t motor_set_shaft();